New submission from GuGu <[email protected]>:
When I try to use placeholders in CREATE TRIGGER (for django-denorm module)
SQLite module just ignores placeholders and sends `None` to it.
For example:
In [11]: c.cursor().execute('CREATE TRIGGER test1 after insert on a for each
row begin UPDATE a SET b=?; END', '1').fetchone()
In [12]: c.cursor().execute('INSERT INTO a values (100)')
Out[12]: <pysqlite2.dbapi2.Cursor at 0x101d77e30>
In [13]: c.cursor().execute('SELECT * FROM a').fetchall()
Out[13]: [(None,), (None,), (None,)]
In [14]: c.cursor().execute('DROP TRIGGER test1')
Out[14]: <pysqlite2.dbapi2.Cursor at 0x101d77f10>
In [15]: c.cursor().execute('CREATE TRIGGER test1 after insert on a for each
row begin UPDATE a SET b=1; END').fetchone()
In [16]: c.cursor().execute('INSERT INTO a values (100)')
Out[16]: <pysqlite2.dbapi2.Cursor at 0x101d77f80>
In [17]: c.cursor().execute('SELECT * FROM a').fetchall()
Out[17]: [(u'1',), (u'1',), (u'1',), (u'1',)]
In MySQLdb and psycopg2 creating triggers with a placeholder works.
----------
components: Library (Lib)
messages: 153896
nosy: GuGu
priority: normal
severity: normal
status: open
title: sqlite3 module ignores placeholers in CREATE TRIGGER code
type: behavior
versions: Python 2.7
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Python tracker <[email protected]>
<http://bugs.python.org/issue14076>
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